CN112935478A - Welding device and welding process for hydrogen conveying pipeline for outdoor processing - Google Patents
Welding device and welding process for hydrogen conveying pipeline for outdoor processing Download PDFInfo
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- 238000003466 welding Methods 0.000 title claims abstract description 113
- 239000001257 hydrogen Substances 0.000 title claims abstract description 62
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 62
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008569 process Effects 0.000 title claims abstract description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 42
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 41
- 238000010276 construction Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 229910052786 argon Inorganic materials 0.000 claims abstract description 21
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
- B23K9/0286—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode moving around the fixed tube during the welding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/321—Protecting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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Abstract
本发明公开了一种用于户外施工的氢气输送管道焊接装置及其焊接工艺，所述焊接装置包括管道外的焊接系统和管道内的背面保护装置，所述焊接系统包含氩弧焊小车和透明罩，所述小车上安装焊缝追踪装置，所述透明罩为与氢气管道同轴的钢化玻璃圆筒腔体结构，焊接施工时将小车与不锈钢管的焊缝部位包裹，所述背面保护装置与氢气输送管道内壁相贴合，由机器人小车驱动其在氢气输送管道内运行，并由自动跟踪头与焊缝对接定位。本发明便于引导焊枪进行连续而准确的焊接施工，透明罩能防止产生由于户外空气流动和潮气引起的焊接缺陷，背面保护装置能有效防止焊缝的背面氧化，避免氢气输送管道发生氢脆。
The invention discloses a hydrogen transmission pipeline welding device for outdoor construction and a welding process thereof. The welding device includes a welding system outside the pipeline and a back protection device inside the pipeline. The welding system includes a argon arc welding trolley and a transparent A welding seam tracking device is installed on the trolley. The transparent cover is a cylindrical cavity structure of tempered glass coaxial with the hydrogen pipeline. During welding construction, the welding seam between the trolley and the stainless steel pipe is wrapped. The back protection device Fitted with the inner wall of the hydrogen delivery pipeline, it is driven by the robot car to run in the hydrogen delivery pipeline, and is positioned by the automatic tracking head and the welding seam. The invention is convenient for guiding the welding torch to carry out continuous and accurate welding construction, the transparent cover can prevent welding defects caused by outdoor air flow and moisture, and the backside protection device can effectively prevent the backside of the weld from oxidizing and avoid hydrogen embrittlement in the hydrogen transmission pipeline.
Description
技术领域technical field
本发明涉及一种长输管道的焊接装置及其焊接工艺，特别涉及一种户外氢气输送管道的自动焊接装置及其焊接工艺。The invention relates to a welding device for long-distance pipelines and a welding process thereof, in particular to an automatic welding device for outdoor hydrogen transmission pipelines and a welding process thereof.
背景技术Background technique
随着燃料电池技术的迅速发展，氢气输送管道作为燃料电池的存储和运输氢气的设备，也应用得越来越广泛。氢气输送管道一般布置在户外，各段管道之间的连接依靠户外焊接完成。户外作业时，野风和潮气都会对焊接质量造成影响，同时由于氢气输送管道内壁的焊缝处容易出现氢脆现象，从而导致氢气泄漏事故，急需研发一种能够适用于户外加工的氢气输送管道焊接装置及其焊接工艺。With the rapid development of fuel cell technology, hydrogen transmission pipelines are also used more and more widely as a device for storing and transporting hydrogen in fuel cells. The hydrogen transmission pipeline is generally arranged outdoors, and the connection between each section of the pipeline is completed by outdoor welding. When working outdoors, wild wind and moisture will affect the welding quality. At the same time, hydrogen embrittlement is prone to occur at the weld on the inner wall of the hydrogen transmission pipeline, resulting in hydrogen leakage accidents. It is urgent to develop a hydrogen transmission pipeline suitable for outdoor processing. Welding device and welding process thereof.
发明内容SUMMARY OF THE INVENTION
为解决上述技术问题，我们提出了一种用于户外加工的氢气输送管道焊接装置及其焊接工艺，其能够防止在野外管道连接时，焊接操作加工过程中空气流动对焊接造成影响，且能解决氢脆问题。In order to solve the above technical problems, we propose a welding device and a welding process for hydrogen transmission pipelines for outdoor processing, which can prevent the influence of air flow during welding operation and processing on welding when pipelines are connected in the field, and can solve the problem. Hydrogen embrittlement problem.
为达到上述目的，本发明的技术方案如下：For achieving the above object, technical scheme of the present invention is as follows:
一种用于户外施工的氢气输送管道焊接装置包括管道外部分和管道内部分；其中，A hydrogen transmission pipeline welding device for outdoor construction includes an outer part of the pipeline and an inner part of the pipeline; wherein,
管道外部分包括磁轮、氩弧焊小车、焊丝焊枪、焊缝跟踪装置、链条轨道、氢气输送管道、有机玻璃保护罩、橡胶皮和可调定位块；在所述氢气输送管道上铺设移动轨道，将装有磁轮、焊丝焊枪和焊缝跟踪装置的氩弧焊小车安装于移动轨道，保护罩安装于氢气输送管道上，橡胶皮跟氢气输送管道的外壁贴合，跟有机玻璃保护罩固定在一起；The outer part of the pipeline includes a magnetic wheel, an argon arc welding trolley, a welding wire welding gun, a welding seam tracking device, a chain track, a hydrogen delivery pipeline, a plexiglass protective cover, a rubber skin and an adjustable positioning block; a moving track is laid on the hydrogen delivery pipeline , install the argon arc welding trolley equipped with the magnetic wheel, the welding wire torch and the welding seam tracking device on the moving track, the protective cover is installed on the hydrogen transmission pipeline, the rubber skin is attached to the outer wall of the hydrogen transmission pipeline, and is fixed with the plexiglass protective cover together;
管道内部分包括橡胶内罩、焊缝自动跟踪探头、内罩支撑架、支撑轴、氩气输送管和机器人小车，其中，橡胶内罩、内罩支撑架和支撑轴构成背面保护装置，机器人小车负责牵引背面保护装置在管道内运行，由焊缝自动跟踪探头定位后，橡胶内罩与氢气输送管道的内壁贴合，形成一个封闭空腔。The inner part of the pipeline includes a rubber inner cover, an automatic welding seam tracking probe, an inner cover support frame, a support shaft, an argon gas delivery pipe and a robot trolley. Among them, the rubber inner cover, the inner cover support frame and the support shaft constitute a back protection device, and the robot trolley It is responsible for pulling the back protection device to run in the pipeline. After the positioning of the probe is automatically tracked by the welding seam, the rubber inner cover is attached to the inner wall of the hydrogen transmission pipeline to form a closed cavity.
更进一步地，所述氢气输送管道外壁的焊道两侧设置圆环型的移动轨道，所述移动轨道为链条轨道。Furthermore, annular moving tracks are arranged on both sides of the weld bead on the outer wall of the hydrogen transport pipeline, and the moving tracks are chain tracks.
更进一步地，所述保护罩为透明罩。Further, the protective cover is a transparent cover.
更进一步地，所述透明罩为与氢气管道同轴的钢化玻璃圆筒腔体结构，焊接施工时将小车与不锈钢管的焊缝部位包裹，管道内壁设置背面保护装置，焊接施工时隔绝空气。Further, the transparent cover is a cylindrical cavity structure of tempered glass coaxial with the hydrogen pipeline. During welding construction, the welding seam between the trolley and the stainless steel pipe is wrapped, and the inner wall of the pipeline is provided with a back protection device to isolate the air during welding construction.
更进一步地，所述透明罩的材料为GG17钢化玻璃。Further, the material of the transparent cover is GG17 tempered glass.
更进一步地，氩弧焊小车底部设置磁能机构，小车通过磁能吸附在轨道上。Further, a magnetic energy mechanism is arranged at the bottom of the argon arc welding trolley, and the trolley is adsorbed on the track by magnetic energy.
更进一步地，背面保护装置由机器人小车牵引其在管道内运动。Furthermore, the back protection device is pulled by the robot trolley to move in the pipeline.
更进一步地，背面保护装置由自动跟踪探头与焊缝对接定位。Further, the back protection device is positioned by the automatic tracking probe and the welding seam.
一种用于户外施工的氢气输送管道焊接工艺，其包括如下步骤：A hydrogen transmission pipeline welding process for outdoor construction, which comprises the following steps:
Step1.对接管道定位；Step1. Docking pipeline positioning;
Step2.在环焊缝两侧铺设链条轨道；Step2. Lay chain tracks on both sides of the girth weld;
Step3.将氩弧焊小车安装于轨道上；Step3. Install the argon arc welding trolley on the track;
Step4.设置好焊接参数；Step4. Set the welding parameters;
Step5.将焊接保护罩套于管道上；Step5. Put the welding protective cover on the pipeline;
Step6.将背面保护装置由机器人小车牵引至焊缝下方；Step6. Pull the back protection device to the bottom of the weld by the robot trolley;
Step7.焊接施工。Step7. Welding construction.
通过上述技术方案，本发明提供了用于户外施工的氢气输送管道焊接装置及其焊接工艺，在焊缝两侧装有轨道，氩弧焊小车在轨道上运行，在磁能的作用下，小车能够绕着管道360°运行。在小车上的焊缝追踪装置的引导下，焊枪能够精准定位和施焊。焊缝处套有GG17玻璃保护罩，不仅能清楚监控焊接的过程，还能防止野外施工时的潮气和野风对焊接过程造成的不利影响，同时，在焊接前，机器人小车牵引背面保护装置至焊缝下方，注入氩气，对焊缝背面起保护作用，避免焊缝背面与空气接触，焊接结束后，背面保护装置由机器人小车带出氢气输送管道。能够防止在野外管道连接时，焊接操作加工过程中空气流动对焊接造成影响，且能解决氢脆问题。Through the above technical solutions, the present invention provides a hydrogen transport pipeline welding device for outdoor construction and a welding process thereof. Tracks are installed on both sides of the welding seam, and the argon arc welding trolley runs on the track. Under the action of magnetic energy, the trolley can Runs 360° around the pipe. Guided by the seam tracking device on the trolley, the welding torch can be positioned and welded precisely. The welding seam is covered with a GG17 glass protective cover, which can not only monitor the welding process clearly, but also prevent the adverse effects of moisture and wild wind during field construction on the welding process. Argon gas is injected under the weld to protect the back of the weld and avoid contact with the air on the back of the weld. After the welding is completed, the back protection device is brought out of the hydrogen pipeline by the robot trolley. It can prevent the influence of air flow on welding during welding operation and processing when pipelines are connected in the field, and can solve the problem of hydrogen embrittlement.
附图说明Description of drawings
图1为本发明实施例所公开的一种用于户外施工的氢气输送管道焊接装置管道外部分的示意图；1 is a schematic diagram of the outer part of the pipeline of a hydrogen transmission pipeline welding device for outdoor construction disclosed in an embodiment of the present invention;
图2为本发明实施例所公开的一种用于户外施工的氢气输送管道焊接装置管道内部分的示意图；FIG. 2 is a schematic diagram of the inner part of a pipeline of a hydrogen transmission pipeline welding device for outdoor construction disclosed in an embodiment of the present invention;
图3为本发明实施例所公开的一种用于户外施工的氢气输送管道焊接工艺的示意图。FIG. 3 is a schematic diagram of a welding process for a hydrogen transmission pipeline for outdoor construction disclosed in an embodiment of the present invention.
具体实施方式Detailed ways
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施方式。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施方式。相反地，提供这些实施方式的目的是使对本发明的公开内容理解的更加透彻全面。In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. The preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.
下面结合示意图对本发明的具体实施方式作进一步详细的说明。The specific embodiments of the present invention will be further described in detail below with reference to the schematic diagrams.
一种用于户外施工的氢气输送管道焊接装置包括管道外部分和管道内部分；参照图1，一种用于户外施工的氢气输送管道焊接装置管道外部分，其包括磁轮1、氩弧焊小车2、焊丝焊枪3、焊缝跟踪装置4、链条轨道5、氢气输送管道6、有机玻璃保护罩7、橡胶皮8和可调定位块9。在所述氢气输送管道6上铺设链条轨道5，将装有磁轮1、焊丝焊枪3和焊缝跟踪装置4的氩弧焊小车2安装于链条轨道5，保护罩7安装于氢气输送管道6上，橡胶皮8跟氢气输送管道6的外壁贴合，跟有机玻璃保护罩7固定在一起，起挡风和隔潮的作用，可调定位块9固定有机玻璃保护罩7，起定位作用。A hydrogen transmission pipeline welding device for outdoor construction includes an outer part of the pipeline and an inner part of the pipeline; with reference to FIG. Trolley 2,
参照图2，一种用于户外施工的氢气输送管道焊接装置管道内部分，其包括橡胶内罩10、焊缝自动跟踪探头11、内罩支撑架12、支撑轴13、氩气输送管14和机器人小车15，其中，橡胶内罩10、内罩支撑架12和支撑轴13构成背面保护装置，机器人小车15负责牵引背面保护装置在管道内运行，由焊缝自动跟踪探头11定位后，橡胶内罩10与氢气输送管道6的内壁贴合，形成一个封闭空腔，通过氩气输送管14注入氩气，排出空气，以氩气作为管道焊接的背面保护气体。Referring to FIG. 2 , the inner part of a hydrogen delivery pipeline welding device for outdoor construction includes a rubber
参照图3，本发明还提出了一种用于现场加工的氢气输送管道的焊接工艺，其包括如下步骤：Referring to FIG. 3 , the present invention also proposes a welding process for on-site processing of hydrogen transmission pipelines, which includes the following steps:
Step1.对接管道定位；Step1. Docking pipeline positioning;
Step2.在环焊缝两侧铺设链条轨道；Step2. Lay chain tracks on both sides of the girth weld;
Step3.将氩弧焊小车安装于轨道上；Step3. Install the argon arc welding trolley on the track;
Step4.设置好焊接参数；Step4. Set the welding parameters;
Step5.将焊接保护罩套于管道上；Step5. Put the welding protective cover on the pipeline;
Step6.将背面保护装置由机器人小车牵引至焊缝下方；Step6. Pull the back protection device to the bottom of the weld by the robot trolley;
Step7.焊接施工。Step7. Welding construction.
具体施工过程为：首先将待焊接的两段氢气输送管道的焊接处开V型坡口、对接，再采用药芯焊丝点焊定位，接着在两侧的氢气输送管道上铺设链条轨道，并安装好氩弧焊小车，设置好焊接工艺参数，然后在氢气输送管道的外壁焊接处安装好保护罩，在氢气输送管道的内壁焊接处装配好背面保护装置，最后进行焊接施工。氢气输送管道外壁的保护罩能够在户外作业时起挡风和隔潮的作用，内壁的背面保护装置能够使焊接在氩气保护下进行，完全杜绝氧化现象，能够有效防止氢气输送管道在焊缝处发生氢脆。The specific construction process is as follows: first, make V-shaped grooves and butt joints at the welding places of the two hydrogen transmission pipelines to be welded, and then use flux-cored welding wire for spot welding positioning, and then lay chain tracks on the hydrogen transmission pipelines on both sides, and install Install the argon arc welding trolley, set the welding process parameters, install the protective cover at the welding place of the outer wall of the hydrogen transmission pipeline, install the back protection device at the welding place of the inner wall of the hydrogen transmission pipeline, and finally carry out the welding construction. The protective cover on the outer wall of the hydrogen transmission pipeline can block the wind and moisture during outdoor operations, and the back protection device on the inner wall can make the welding under the protection of argon gas, completely eliminate the oxidation phenomenon, and effectively prevent the hydrogen transmission pipeline from being in the weld seam. Hydrogen embrittlement occurs.
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.
Claims (9)
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